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2. CPU
2.5
Instruction Set
The H8/300L Series can use a total of 55 instructions, which are grouped by function in table 2.3.
Table 2.3
Instruction Set
Function
Data transfer
Arithmetic operations
Logic operations
Shift
Bit manipulation
Branch
System control
Block data transfer
Notes: 1. PUSH Rn is equivalent to MOV.W Rn, @–SP.
POP Rn is equivalent to MOV.W @SP+, Rn. The machine language is also the same.
2. Bcc is the generic term for conditional branch instructions.
The functions of the instructions are shown in tables 2.4 to 2.11. The meaning of the operation
symbols used in the tables is as follows.
Rev.3.00 Jul. 19, 2007 page 40 of 532
REJ09B0397-0300
Instructions
1
MOV, PUSH*
, POP*
ADD, SUB, ADDX, SUBX, INC, DEC, ADDS, SUBS,
DAA, DAS, MULXU, DIVXU, CMP, NEG
AND, OR, XOR, NOT
SHAL, SHAR, SHLL, SHLR, ROTL, ROTR, ROTXL,
ROTXR
BSET, BCLR, BNOT, BTST, BAND, BIAND, BOR,
BIOR, BXOR, BIXOR, BLD, BILD, BST, BIST
2
Bcc*
, JMP, BSR, JSR, RTS
RTE, SLEEP, LDC, STC, ANDC, ORC, XORC, NOP
EEPMOV
1
Number
1
14
4
8
14
5
8
1
Total: 55
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